// ==UserScript==
// @name         JianShu
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.jianshu.com/p/*,https://www.bilibili.com/video/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=jianshu.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // 脚本编写参考:https://blog.csdn.net/boat_sea/article/details/80142875
    document.getElementByclassName("_3Z3nHf").style.display="none"
    //var x = document.getElementsByClassName("ant-affix");
    //var x = document.getElementsByClassName("_3Z3nHf");
    x[0].style.backgroundColor = "red";
    //document.querySelectorAll("div.ant-affix").
    // Your code here...

    var x = document.getElementsByClassName("_3Z3nHf");

var i;

for (i = 0; i < x.length; i++) {

x[i].style.backgroundColor = "red";

}

document.getElementsByClassName("_3Z3nHf").ready(function(){
	var userName="后端码匠";
	alert(userName);
});
})();